A) It is composed of protons and electrons B) It is composed of electrons and neutrons C) It is composed of protons and neutrons D) It is composed of protons only
A) - B) 0 C) +
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) burning wood B) breaking a pencil C) cooking eggs D) digesting food
A) Atomic Number B) Alphabetical Order C) Atomic Mass D) Discovery Date
A) Valence Electrons B) Neutrons C) Protons and Neutrons D) Protons
A) shape B) pH C) color D) density
A) a total of eight protons and neutrons. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) eight protons in its nucleus.
A) protons plus the number of neutrons. B) protons. C) neutrons. D) protons plus the number of electrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are usually gases. D) They are located in the left-most column of the periodic table.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) exist in all three states of matter in normal conditions B) are nonreactive C) are all metals D) have only 1 valence electron
A) On the left-most side. B) In the bottom rows. C) On the right side. D) In the middle column of the periodic table.
A) color; smell B) mass;number C) number; mass D) location; ionization
A) 6 neutrons B) 3 neutrons C) 8 neutrons D) 12 neutrons
A) Alkaline Earth B) Alkaline Metals C) Halogens D) Noble Gases
A) Alkaline Earth B) Halogens C) Noble Gases D) Akali
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Halogens B) Alkaline Earth C) Alkali D) Noble Gases
A) 3 B) 2 C) 5 D) 4
A) metals B) nonmetals C) metalloids
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) according to atomic number B) alphabetically C) by date discovered D) According to atomic mass
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic Mass
A) Atomic Mass B) Atomic Number-Atomic mass C) Atomic Number D) Atomic Mass-Atomic Number
A) neutrons B) electrons C) nucleus D) protons
A) reactivity B) pH C) color D) flammability
A) shape B) density C) pH D) texture
A) crushing B) breaking C) burning D) adding dye
A) rusting B) breaking C) precipitate forming D) burning
A) can be observed with senses B) vary within the same element C) only can be seen in a few elements D) can only be observed by changing the substance
A) vary within the same element B) can be observes with the senses C) only can be observed in a few elements D) cn only be observed by changing the substance
A) chemical B) physical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) second B) liters C) kelvin D) meters
A) meters B) kilograms C) grams D) hours
A) both accurate and precise B) accurate C) nethier accurate or precise D) precise
A) 1/1,000 B) 100 C) 1/100 D) 1,000
A) independent B) control C) dependent D) constant
A) growth B) fertilizer C) strawberries D) length of study
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) dependent B) independent C) control D) constant
A) stirring rod B) tongs C) graduated cylinder D) beaker
A) 10 B) 13 C) 16 D) 0
A) 17 B) 35 C) 18 D) 19
A) 14 B) 10 C) 26 D) 12
A) 2 B) 18 C) 10 D) 8
A) 0.57 amu B) 5.7 amu C) 115 amu D) 57 amu
A) 2 B) 4 C) 1 D) 3
A) 89.6 mol B) 0.5 mol C) 2 mol D) 67.2 mol
A) 21.07 atoms B) 5.8x1022 atoms C) 1.72x1023 atoms D) 2.107x1024 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Rutherford B) Chadwick C) Democritus D) Thomson
A) Rutherford B) Bohr C) Thomson D) Shrodinger and Heisenburg ![]()
A) Rutherford B) Bohr C) Thomson D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Bohr B) Chadwick C) Rutherford D) Dalton
A) Electrons are positively charged. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electron number never changes.
A) negative charge B) larger mass C) smaller mass D) positive charge
A) neutrons B) positrons C) electrons D) protons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 17.5g B) 10.7g C) 0.094g D) 16g |